Home / 82,819.12-124,226.15-23,654.90

Finding the Fourth Proportional to 82,819.12, 124,226.15 and 23,654.90

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Solution

The fourth proportional to 82,819.12, 124,226.15 and 23,654.90 is: 35,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.12 : 124,226.15 = 23,654.90 : x
  2. Step 2: Convert to fraction form
    82,819.12/124,226.15 = 23,654.90/x
  3. Step 3: Cross multiply
    82,819.12x = 124,226.15 × 23,654.90
  4. Step 4: Simplify right side
    82,819.12x = 2,938,557,155.64
  5. Step 5: Solve for x
    x = 2,938,557,155.64/82,819.12
  6. Step 6: Final answer
    x = 35,481.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.